From a5db62f926535a7d7f54bf8d1191bc012b40e938 Mon Sep 17 00:00:00 2001 From: skjnldsv Date: Wed, 27 Nov 2024 10:06:14 +0100 Subject: [PATCH] feat(config): add `maximum.supported.desktop.version` Signed-off-by: skjnldsv [skip ci] --- .../Sabre/BlockLegacyClientPlugin.php | 13 +++++- .../Sabre/BlockLegacyClientPluginTest.php | 44 ++++++++++++++----- config/config.sample.php | 9 ++++ 3 files changed, 54 insertions(+), 12 deletions(-) diff --git a/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php b/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php index eda2399a780f9..b0f76f2d20fb9 100644 --- a/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php +++ b/apps/dav/lib/Connector/Sabre/BlockLegacyClientPlugin.php @@ -65,11 +65,22 @@ public function beforeHandler(RequestInterface $request) { return; } - $minimumSupportedDesktopVersion = $this->config->getSystemValue('minimum.supported.desktop.version', '2.3.0'); + $minimumSupportedDesktopVersion = $this->config->getSystemValueString('minimum.supported.desktop.version', '2.3.0'); + $maximumSupportedDesktopVersion = $this->config->getSystemValueString('maximum.supported.desktop.version', '99.99.99'); + + // Check if the client is a desktop client preg_match(IRequest::USER_AGENT_CLIENT_DESKTOP, $userAgent, $versionMatches); if (isset($versionMatches[1]) && version_compare($versionMatches[1], $minimumSupportedDesktopVersion) === -1) { throw new \Sabre\DAV\Exception\Forbidden('Unsupported client version.'); } + + // If the client is a desktop client and the version is too new, block it + if (isset($versionMatches[1]) && version_compare($versionMatches[1], $maximumSupportedDesktopVersion) === 1) { + $customClientDesktopLink = htmlspecialchars($this->themingDefaults->getSyncClientUrl()); + $maximumSupportedDesktopVersion = htmlspecialchars($maximumSupportedDesktopVersion); + + throw new \Sabre\DAV\Exception\Forbidden("This version of the client is unsupported. Downgrade to version $maximumSupportedDesktopVersion or earlier."); + } } } diff --git a/apps/dav/tests/unit/Connector/Sabre/BlockLegacyClientPluginTest.php b/apps/dav/tests/unit/Connector/Sabre/BlockLegacyClientPluginTest.php index cecd115710d7f..4f33069a4ad5c 100644 --- a/apps/dav/tests/unit/Connector/Sabre/BlockLegacyClientPluginTest.php +++ b/apps/dav/tests/unit/Connector/Sabre/BlockLegacyClientPluginTest.php @@ -34,6 +34,12 @@ use Sabre\HTTP\RequestInterface; use Test\TestCase; +enum ERROR_TYPE { + case MIN_ERROR; + case MAX_ERROR; + case NONE; +} + /** * Class BlockLegacyClientPluginTest * @@ -54,8 +60,12 @@ protected function setUp(): void { public function oldDesktopClientProvider(): array { return [ - ['Mozilla/5.0 (Windows) mirall/1.5.0'], - ['Mozilla/5.0 (Bogus Text) mirall/1.6.9'], + ['Mozilla/5.0 (Windows) mirall/1.5.0', ERROR_TYPE::MIN_ERROR], + ['Mozilla/5.0 (Bogus Text) mirall/1.6.9', ERROR_TYPE::MIN_ERROR], + ['Mozilla/5.0 (Windows) mirall/2.5.0', ERROR_TYPE::MAX_ERROR], + ['Mozilla/5.0 (Bogus Text) mirall/2.0.1', ERROR_TYPE::MAX_ERROR], + ['Mozilla/5.0 (Windows) mirall/2.0.0', ERROR_TYPE::NONE], + ['Mozilla/5.0 (Bogus Text) mirall/2.0.0', ERROR_TYPE::NONE], ]; } @@ -75,19 +85,26 @@ public function testBeforeHandlerException(string $userAgent): void { ->willReturn($userAgent); $this->config - ->expects($this->once()) - ->method('getSystemValue') - ->with('minimum.supported.desktop.version', '2.3.0') - ->willReturn('1.7.0'); + ->expects($this->exactly(2)) + ->method('getSystemValueString') + ->willReturnCallback(function (string $key) { + if ($key === 'minimum.supported.desktop.version') { + return '1.7.0'; + } + return '2.0.0'; + }); $this->blockLegacyClientVersionPlugin->beforeHandler($request); } - public function newAndAlternateDesktopClientProvider(): array { + public static function newAndAlternateDesktopClientProvider(): array { return [ ['Mozilla/5.0 (Windows) mirall/1.7.0'], ['Mozilla/5.0 (Bogus Text) mirall/1.9.3'], ['Mozilla/5.0 (Not Our Client But Old Version) LegacySync/1.1.0'], + ['Mozilla/5.0 (Windows) mirall/4.7.0'], + ['Mozilla/5.0 (Bogus Text) mirall/3.9.3'], + ['Mozilla/5.0 (Not Our Client But Old Version) LegacySync/45.0.0'], ]; } @@ -104,10 +121,14 @@ public function testBeforeHandlerSuccess(string $userAgent): void { ->willReturn($userAgent); $this->config - ->expects($this->once()) - ->method('getSystemValue') - ->with('minimum.supported.desktop.version', '2.3.0') - ->willReturn('1.7.0'); + ->expects($this->exactly(2)) + ->method('getSystemValueString') + ->willReturnCallback(function (string $key) { + if ($key === 'minimum.supported.desktop.version') { + return '1.7.0'; + } + return '10.0.0'; + }); $this->blockLegacyClientVersionPlugin->beforeHandler($request); } @@ -120,6 +141,7 @@ public function testBeforeHandlerNoUserAgent(): void { ->method('getHeader') ->with('User-Agent') ->willReturn(null); + $this->blockLegacyClientVersionPlugin->beforeHandler($request); } } diff --git a/config/config.sample.php b/config/config.sample.php index fc43e210f89cb..d89ee655b6b56 100644 --- a/config/config.sample.php +++ b/config/config.sample.php @@ -2065,6 +2065,15 @@ */ 'minimum.supported.desktop.version' => '2.3.0', +/** + * The maximum Nextcloud desktop client version that will be allowed to sync with + * this server instance. All connections made from later clients will be denied + * by the server. + * + * Defaults to 99.99.99 + */ +'maximum.supported.desktop.version' => '99.99.99', + /** * Option to allow local storage to contain symlinks. * WARNING: Not recommended. This would make it possible for Nextcloud to access